/* --- CSS Reset & Custom Color Properties --- */
:root {
  --bg-main: #060b13;
  --bg-secondary: #0b121f;
  --bg-card: #0e1726;
  --bg-card-subtle: rgba(14, 23, 38, 0.7);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(20, 184, 166, 0.5);

  --primary: #009688;
  --primary-hover: #00897b;
  --primary-glow: rgba(0, 150, 136, 0.25);

  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --color-teal: #14b8a6;
  --color-blue: #38bdf8;
  --color-violet: #a78bfa;
  --color-amber: #fbbf24;
  --color-emerald: #34d399;
  --color-rose: #fb7185;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-teal { color: var(--color-teal); }
.color-teal { color: var(--color-teal); }
.color-blue { color: var(--color-blue); }
.color-violet { color: var(--color-violet); }
.color-amber { color: var(--color-amber); }
.color-emerald { color: var(--color-emerald); }
.color-rose { color: var(--color-rose); }

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(6, 11, 19, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  height: 72px;
  display: flex;
  align-items: center;
}

.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem; /* Space between logo and text */
  text-decoration: none;
}

/* Sized as a sharp square icon mark */
.brand-logo-img {
  height: 40px;
  width: 40px;
  border-radius: 8px;
  object-fit: cover;
  display: block;
}

/* New text styling */
.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-menu a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: #fff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
  gap: 0.5rem;
}

.btn-sm {
  padding: 0.55rem 1.2rem;
  font-size: 0.825rem;
}

.btn-icon {
  width: 17px;
  height: 17px;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 6px 20px rgba(0, 150, 136, 0.35);
  transform: translateY(-1px);
}

.btn-wa-channel {
  background: rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.4);
  color: #25d366;
}

.btn-wa-channel:hover {
  background: rgba(37, 211, 102, 0.25);
  border-color: #25d366;
  color: #ffffff;
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 6rem 1.5rem 5rem;
  text-align: center;
}

.hero-chart-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.hero-chart-bg svg {
  width: 100%;
  height: 100%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  margin: 0 auto;
}

.pill-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: rgba(20, 184, 166, 0.1);
  border: 1px solid rgba(20, 184, 166, 0.25);
  color: var(--color-teal);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.75rem;
}

.hero-headline {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
}

.hero-disclaimer {
  font-size: 0.8rem;
  color: var(--text-subtle);
  font-style: italic;
}

/* Stats */
.stats-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 2.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

.stat-lbl {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.25rem;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-head {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-head h2 {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-head .tagline {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-teal);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

.section-subhead {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.5rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.border-teal:hover { border-color: rgba(20, 184, 166, 0.4); }
.border-blue:hover { border-color: rgba(56, 189, 248, 0.4); }
.border-violet:hover { border-color: rgba(167, 139, 250, 0.4); }
.border-amber:hover { border-color: rgba(251, 191, 36, 0.4); }
.border-emerald:hover { border-color: rgba(52, 211, 153, 0.4); }
.border-rose:hover { border-color: rgba(251, 113, 133, 0.4); }

.card-icons-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.icon-wrap {
  width: 44px;
  height: 44px;
  background: rgba(0, 0, 0, 0.45);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-watermark {
  opacity: 0.35;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s;
}

.feature-card:hover .feature-watermark {
  opacity: 0.75;
}

.feature-watermark svg {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.feature-tag {
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.2rem;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.feature-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-checklist li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #cbd5e1;
}

.feature-checklist svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* Courses */
.section-courses {
  background: #080e18;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.course-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s, transform 0.2s;
}

.course-card:hover {
  border-color: rgba(20, 184, 166, 0.4);
  transform: translateY(-2px);
}

.course-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.course-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  text-transform: capitalize;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.badge-beginner {
  background: rgba(52, 211, 153, 0.1);
  color: var(--color-emerald);
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.badge-intermediate {
  background: rgba(56, 189, 248, 0.1);
  color: var(--color-blue);
  border: 1px solid rgba(56, 189, 248, 0.25);
}

.badge-advanced {
  background: rgba(251, 191, 36, 0.1);
  color: var(--color-amber);
  border: 1px solid rgba(251, 191, 36, 0.25);
}

.course-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.course-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 2rem;
}

.course-checklist li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: #e2e8f0;
}

.course-checklist svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.course-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.course-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-teal);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.quote-mark {
  color: var(--color-teal);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.quote-text {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.quote-author {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* CTA Band */
.cta-band {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 4rem 0;
}

.cta-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.cta-info h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.cta-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.cta-btns {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 120px;
  right: 24px;
  width: 56px;
  height: 56px;
  background-color: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.55);
}

/* Footer */
.footer {
  background: #04070c;
  padding: 4.5rem 0 2rem;
  border-top: 1px solid var(--border-subtle);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--text-subtle);
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: 1.2rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--color-teal);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.legal-links {
  display: flex;
  gap: 1.5rem;
}

.legal-links a {
  color: var(--text-subtle);
  text-decoration: none;
  transition: color 0.2s;
}

.legal-links a:hover {
  color: #fff;
}

/* Legal Pages Styling */
.legal-page {
  padding: 5rem 0 6rem;
  min-height: 75vh;
}

.legal-container {
  max-width: 820px;
}

.legal-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 2rem;
}

.legal-header h1 {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.last-updated {
  color: var(--text-subtle);
  font-size: 0.85rem;
}

.legal-content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.legal-content section {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
}

.legal-content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #fff;
}

.legal-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.legal-content p:last-child {
  margin-bottom: 0;
}

.legal-content ul {
  list-style-type: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 0.75rem;
}

.legal-content li {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  position: relative;
  padding-left: 1.25rem;
}

.legal-content li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--color-teal);
  font-weight: 700;
}

.legal-content strong {
  color: #fff;
}

/* 404 Section Styling */
.notfound-section {
  position: relative;
  min-height: calc(100vh - 72px - 340px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 5rem 1.5rem;
  overflow: hidden;
}

.notfound-content {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  width: 100%;
}

.notfound-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 3.5rem 2.5rem;
  text-align: center;
  max-width: 580px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.notfound-code {
  font-size: clamp(4.5rem, 10vw, 7rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-teal);
  letter-spacing: -0.04em;
  margin-bottom: 1rem;
  text-shadow: 0 0 30px rgba(20, 184, 166, 0.25);
}

.notfound-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #fff;
}

.notfound-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.notfound-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Responsive Queries */
@media (max-width: 992px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .footer-content { grid-template-columns: 1fr 1fr; }
  .cta-flex { flex-direction: column; text-align: center; }
  .cta-btns { justify-content: center; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .courses-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}